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3 results on '"Diamond, Rachel F.L."'

1. Probing the mental number line:A between-task analysis of spatial-numerical associations

Author

Cheung, Chi-Ngai, Ayzenberg, Vladislav, Diamond, Rachel F.L., Yousif, Sami, and Lourenco, Stella F

Subjects
Spatial-numerical associations, SNARC effect, mental number line (MNL), polarity correspondence, workingmemory, individual differences
Abstract

The mental number line (MNL) hypothesis is that numbersare mentally represented in spatial format, particularly in leftto-right orientation among Westerners. The MNL hasreceived support from various paradigms, but it remainscontroversial as it is challenged by alternative models. Herewe used an individual differences approach to assess spatialnumericalassociations (SNAs) across a variety of tasks. TheMNL hypothesis predicts correlations across SNA tasksbecause they should tap a common MNL representation.Control tasks were included to account for effects not specificto SNAs. Correlation analyses revealed significantassociations across several SNA tasks, even when controllingfor general cognitive abilities or individual differences inresponse time (RT). These findings provide unique supportfor the MNL hypothesis, and begin to shed insight onpotential explanations that may contribute to variation in thestrength of the correlations among SNA tasks.

Published
2015

3. Probing the mental number line: A between-task analysis of spatial-numerical associations

Author

Cheung, Chi-Ngai, Cheung, Chi-Ngai, Ayzenberg, Vladislav, Diamond, Rachel F.L., Yousif, Sami, Lourenco, Stella F, Cheung, Chi-Ngai, Cheung, Chi-Ngai, Ayzenberg, Vladislav, Diamond, Rachel F.L., Yousif, Sami, and Lourenco, Stella F

Abstract

The mental number line (MNL) hypothesis is that numbers are mentally represented in spatial format, particularly in leftto- right orientation among Westerners. The MNL has received support from various paradigms, but it remains controversial as it is challenged by alternative models. Here we used an individual differences approach to assess spatialnumerical associations (SNAs) across a variety of tasks. The MNL hypothesis predicts correlations across SNA tasks because they should tap a common MNL representation. Control tasks were included to account for effects not specific to SNAs. Correlation analyses revealed significant associations across several SNA tasks, even when controlling for general cognitive abilities or individual differences in response time (RT). These findings provide unique support for the MNL hypothesis, and begin to shed insight on potential explanations that may contribute to variation in the strength of the correlations among SNA tasks.

Published
2015

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